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JPH0537673A |
PURPOSE: To back up a network management function even during line backup. CONSTITUTION: A management equipment side interface section 5 connecting to a network management equipment, a DCE side interface section 6 connecting to a managem...
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JPH0530053A |
PURPOSE: To select an optional subscriber to make broadcast without revising a broadcast line and to set a sound volume of a subscriber speaker to the maximum sound volume state. CONSTITUTION: A polarity detection section 71 is connected...
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JPH0514402A |
PURPOSE: To eliminate the need for the security of an information channel by including control information representing whether or not entering a communication protocol via an information channel in a setup message and sending a data onl...
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JPH0514545A |
PURPOSE: To realize the economical system by allowing a subscriber terminal equipment to set a timing of a burst signal based on a frame timing pulse extracted from a CCITT recommendations I.430 interface signal sent from a signal proces...
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JPH053515A |
PURPOSE: To selectively mount an intercom speaking function and a security function. CONSTITUTION: Plural telephone sockets B are connected to a telephone exchange A by an extension L2 and a control line L3. A telephone set C put on the ...
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JPH053579A |
PURPOSE: To incorporate a door phone call equipment permitting a door phone call by using a door phone adaptor in a system and to enable the door phone call between door by a telephone set and any door phone call device. CONSTITUTION: Th...
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JPH053576A |
PURPOSE: To allow a user to easily identify a telephone set to be used when electrical power is failed by displaying whether or not the telephone set connected to a telephone receptacle can be used during power failure by means of the te...
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JPH04364692A |
PURPOSE: To make it clear which single telephone set is in a call state. CONSTITUTION: When a pushbutton telephone set 2 makes an extension call to a single telephone set 3, a pushbutton telephone set interface section 6 sends a dial pus...
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JPH04364624A |
PURPOSE: To transfer a simple data with simple control in an ISDN. CONSTITUTION: A caller ISDN terminal equipment 1 is provided with a 1st conversion means 2 converting a data desired to be transferred into a subaddress of the caller ISD...
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JPH04360354A |
PURPOSE: To avoid collision resulting in a call loss by designating a same channel for a terminal equipment and a network even when a call from the terminal equipment and an incoming call from the network take place simultaneously. CONST...
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JPH04360348A |
PURPOSE: To discriminate a cause to a connection fault at an opposite station by allowing a matching performance collation section to output dissident information when low layer matching information from a D-channel control section and i...
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JPH04352531A |
PURPOSE: To select either an outside S/T point interface or an inside ISDN terminal equipment at a customer station system by detecting the address of inside frame data from a layer 2 control part at the subscriber's private system and s...
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JPH04351097A |
PURPOSE: To send/receive plural voice signals through one B channel for the voice signal processing system that can be connected to an ISDN network. CONSTITUTION: An exchange is provided with a compression enable subscriber number storag...
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JPH04346534A |
PURPOSE: To attain an automatic incoming state even at a terminal where a power supply is not applied yet by shifting the communication right to another terminal from a specific one when a communicatable state is secured with application...
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JPH04345356A |
PURPOSE: To attain the individual control of each low speed capacity call at the time of using a B channel at a data transmission speed 64kbps at the time of an ISDN communication after dividing it into plural low speed capacity calls at...
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JPH04345357A |
PURPOSE: To attain the individual control of a subchannel at the time of using a B channel at a data transmission speed 64kbps at the time of an ISDN communication after dividing it into two subchannels at a data transmission speed 32kbp...
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JPH04344740A |
PURPOSE: To eliminate a need for checking all terminal equipment one by one installed and in operation for confirming a set TEI value by devising the system such that the TEI value in operation is automatically included in a reply messag...
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JPH04345399A |
PURPOSE: To control a secrecy by providing a means which judges whether or not a telephone set or the like is used by a direction in which loop current are running, and a means which detects the loop currents at the telephone set or the ...
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JPH04337955A |
PURPOSE: To detect the state of using a line without operating a terminal by receiving a signal returned at the terminating device of a first outputted signal and forming a signal showing the state of using the line while monitoring the ...
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JPH04337941A |
PURPOSE: To provide the call incoming system, which calls a slave station from a master station without affecting any slave station excepting for the desired slave station to be basically called, concerning the call incoming control syst...
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JPH04336841A |
PURPOSE: To stop communication with a call having lower priority automatically and to make communication with a call having a higher priority when the call with the higher priority comes even when the communication terminal equipment mak...
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JPH0473899B2 |
PCT No. PCT/DE86/00515 Sec. 371 Date Aug. 10, 1987 Sec. 102(e) Date Aug. 10, 1987 PCT Filed Dec. 16, 1986 PCT Pub. No. WO87/04035 PCT Pub. Date Jul. 2, 1987.This system comprises a passive bus system which, for the incoming direction (NT...
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JPH04321397A |
PURPOSE: To prevent imposition of a talking charge even onto extension talking as well as external line talking at the introduction of an ISDN line by realizing extension talking between plural ISDN terminal equipments on the same subscr...
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JPH04121140U |
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JPH04306039A |
PURPOSE: To discriminate an incoming call from a specific caller in a sound only and to implement notice to a slave set as a usual call or a specific caller. CONSTITUTION: A telephone number of a registration request from registration ci...
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JPH04302235A |
PURPOSE: To prevent a TEI from being double registered at the plural ISDN terminal equipments. CONSTITUTION: An ISDN terminal equipment 13 is equipped with a ROM 14, and this ROM stores random number initial values peculiar for the respe...
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JPH04291568A |
PURPOSE: To use an idle channel for talking and to utilize the line effectively by providing a radio transfer control means operated independently of picture transmission control means and a system state management means allocating a com...
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JPH04288750A |
PURPOSE: To economize a communication tariff by retuning a call originating request destination in a device when the destination is the own station. CONSTITUTION: A switch 5 for return is a switch for returning data from one of DTE inter...
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JPH04281693A |
PURPOSE: To make the device small through the adoption of a simple circuit and to ensure the high reliability. CONSTITUTION: A voltage is applied to a resistive element 13 of each emergency telephone set 10 (1-n) from a DC power supply d...
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JPH04276955A |
PURPOSE: To attain the communication in which a high-order layer characteristic is matched by adding a high-order layer matching property to a setup message, sending the resulting message, comparing the a high-order layer characteristic ...
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JPH04276977A |
PURPOSE: To eliminate the need for the response with an incoming call and to eliminate the need for charging of a telephone tariff by controlling an external device according to an incoming sub-address in the ISDN telephone set. CONSTITU...
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JPH04275799A |
PURPOSE: To accomplish communication between terminals contained in the same line without intervention of an ISDN switchboard by specifying to LAPD with an ISDN switchboard if it is the communication with a terminal contained in the same...
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JPH04274658A |
PURPOSE: To register plural sub-addresses with less memory capacity. CONSTITUTION: A sub address with a wild card included therein is registered to a sub address registration section 8c. When a call comes, at first an incoming sub-addres...
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JPH04255132A |
PURPOSE: To prevent control of a timing clock in an erroneous phase and to recover a stable timing clock by completely masking pulse recognition of an erroneous comparator output resulting from defective bits. CONSTITUTION: Outputs 2, 3 ...
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JPH04225637A |
PURPOSE: To make it possible to communicate through an ISDN by connecting freely an information channel extracted from the ISDN and an interface port to each other in terminal equipment. CONSTITUTION: The terminal equipment 1 capable of ...
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JPH04220893A |
PURPOSE: To attain the installation of the data communication equipment to an optional location within a distance limited due to a line loss independently of distinguishment of wire configuration when a network terminator and a 1st termi...
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JPH0491445U |
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JPH04212539A |
PURPOSE: To always fix processing time for allocating an identifier by informing an unnecessary identification value of a network and canceling a state under use. CONSTITUTION: When it is detected that a terminal end identifier(TEI) valu...
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JPH04192960A |
PURPOSE: To confirm connection without going to an installing place by displaying data read out from a memory to a telephone set equipped with a display device by a control means when a confirmation signal is applied after connecting the...
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JPH0478845U |
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JPH04180328A |
PURPOSE: To enable a user to set automatically a parameter necessary for discriminating a terminal by storing an ISDN digital communication network in the subscriber's station network terminating equipment of an ISDN telephone system thr...
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JPH04176298A |
PURPOSE: To transfer a calling to a designated terminal without changing the line state of a single telephone set by providing a communication means performing the data transmission and reception with a main device, a means notifying tra...
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JPH0435115B2 |
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JPH0432577B2 |
PCT No. PCT/SE83/00167 Sec. 371 Date Dec. 21, 1983 Sec. 102(e) Date Dec. 21, 1983 PCT Filed Apr. 27, 1983 PCT Pub. No. WO83/04115 PCT Pub. Date Nov. 24, 1983.An apparatus is provided in a digital communication system for connecting digit...
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JPH04156100A |
PURPOSE: To attain data transmission only by two lines to be the minimum number of transmission lines, to easily execute wiring work and to reduce the generation of miswiring by changing the quantity of current in accordance with detecti...
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JPH04150246A |
PURPOSE: To simplify the changeover connection operation of a data terminal accommodated in the same terminal adaptor by adding a function by which the opposite terminal receiving a data terminal switching request signal to make changeov...
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JPH04127642A |
PURPOSE: To improve the operability by providing a means informing the detection of an idle communication channel upon the receipt of a prescribed control code in the case of dialing to the terminal equipment. CONSTITUTION: When an exist...
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JPH04107090A |
PURPOSE: To detect an A line earth signal from a subscriber's terminal side by making a semiconductor switch whose one end is connected to the second terminal of an A line earth detecting part and other end is connected to a B line an op...
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JPH04107024A |
PURPOSE: To monitor and inform fault by an ISDN user network interface by assigning plural terminals to a prescribed frame number position of S bits which a network terminating equipment sends and sending prescribed alarm information inf...
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JPH04100463A |
PURPOSE: To reduce the number of signal lines for identifying individual telephone sets and, at the same time, to always monitor disconnection faults of the signal lines by providing identifying signals having different frequencies by te...
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